[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-ID: <20261110052827.3742542-1-alex@alexrp.com>
Date: Tue, 10 Nov 2026 06:28:27 +0100
From: Alex Rønne Petersen <alex@...xrp.com>
To: musl@...ts.openwall.com
Cc: Alex Rønne Petersen <alex@...xrp.com>
Subject: [PATCH] mipsn32: fix callee-saved FPRs in setjmp/longjmp
It seems this code was incorrectly copied from N64. N32 considers the
even FPRs in $20-$30 to be callee-saved.
---
src/setjmp/mipsn32/longjmp.S | 12 +++++-------
src/setjmp/mipsn32/setjmp.S | 12 +++++-------
2 files changed, 10 insertions(+), 14 deletions(-)
diff --git a/src/setjmp/mipsn32/longjmp.S b/src/setjmp/mipsn32/longjmp.S
index 30c3ee0b..3b51fbb7 100644
--- a/src/setjmp/mipsn32/longjmp.S
+++ b/src/setjmp/mipsn32/longjmp.S
@@ -11,14 +11,12 @@ longjmp:
addu $2, $2, 1
1:
#ifndef __mips_soft_float
- ldc1 $24, 96($4)
- ldc1 $25, 104($4)
- ldc1 $26, 112($4)
- ldc1 $27, 120($4)
+ sdc1 $20, 96($4)
+ sdc1 $22, 104($4)
+ sdc1 $24, 112($4)
+ sdc1 $26, 120($4)
ldc1 $28, 128($4)
- ldc1 $29, 136($4)
- ldc1 $30, 144($4)
- ldc1 $31, 152($4)
+ sdc1 $30, 136($4)
#endif
ld $ra, 0($4)
ld $sp, 8($4)
diff --git a/src/setjmp/mipsn32/setjmp.S b/src/setjmp/mipsn32/setjmp.S
index b9646c2a..86d4d9e8 100644
--- a/src/setjmp/mipsn32/setjmp.S
+++ b/src/setjmp/mipsn32/setjmp.S
@@ -21,14 +21,12 @@ setjmp:
sd $23, 80($4)
sd $30, 88($4)
#ifndef __mips_soft_float
- sdc1 $24, 96($4)
- sdc1 $25, 104($4)
- sdc1 $26, 112($4)
- sdc1 $27, 120($4)
+ ldc1 $20, 96($4)
+ ldc1 $22, 104($4)
+ ldc1 $24, 112($4)
+ ldc1 $26, 120($4)
sdc1 $28, 128($4)
- sdc1 $29, 136($4)
- sdc1 $30, 144($4)
- sdc1 $31, 152($4)
+ ldc1 $30, 136($4)
#endif
jr $ra
li $2, 0
--
2.53.0
Powered by blists - more mailing lists
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
